Metadata Library connection error from Designer

Hi,

I am getting the following error when i try to connect my designer to metadata library i get the connection error . Please find the log details am i missing something in installation?

!ENTRY com.webmethods.sc.metadata.core 4 0 2012-02-18 13:20:16.981
!MESSAGE [META.API.5006] Failed to create store instance. Error ‘java.lang.reflect.InvocationTargetException’.
!STACK 0
com.webmethods.sc.metadata.api.exceptions.StoreException: [META.API.5006] Failed to create store instance. Error ‘java.lang.reflect.InvocationTargetException’.
at com.webmethods.sc.metadata.api.MetaStoreDescriptor.newStore(MetaStoreDescriptor.java:106)
at com.webmethods.sc.metadata.api.pool.MetaStorePool.createStore(MetaStorePool.java:219)
at com.webmethods.sc.metadata.api.pool.MetaStorePool.getPooledMetaStore(MetaStorePool.java:160)
at com.webmethods.sc.metadata.api.MetaStoreManager.getStore(MetaStoreManager.java:212)
at com.webmethods.sc.asset.publisher.eclipse.preferences.LibraryConfigUtil.validateConnection(LibraryConfigUtil.java:133)
at com.webmethods.sc.asset.publisher.eclipse.preferences.LibraryPreferencePage.validate(LibraryPreferencePage.java:359)
at com.webmethods.sc.asset.publisher.eclipse.preferences.LibraryPreferencePage.access$0(LibraryPreferencePage.java:351)
at com.webmethods.sc.asset.publisher.eclipse.preferences.LibraryPreferencePage$1.widgetSelected(LibraryPreferencePage.java:260)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:227)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
at org.eclipse.jface.window.Window.open(Window.java:796)
at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:545)
at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:490)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:402)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:153)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:504)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:443)
at org.eclipse.equinox.launcher.Main.run(Main.java:1169)
at org.eclipse.equinox.launcher.Main.main(Main.java:1144)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
at com.webmethods.sc.metadata.api.MetaStoreDescriptor.newStore(MetaStoreDescriptor.java:103)
… 44 more
Caused by: com.webmethods.sc.metadata.api.exceptions.StoreException: [META.CER.0005] Error ‘Cannot instantiate KAON connection class ‘com.cerebra.lib.owlapi.client.util.impl.OWLConnectionImpl’’ getting OWLConnection.
at com.cerebra.customers.webmethods.imetastore.impl.IMetaStoreImpl.getOWLConnection(IMetaStoreImpl.java:314)
at com.cerebra.customers.webmethods.imetastore.impl.IMetaStoreImpl.initShared(IMetaStoreImpl.java:429)
at com.cerebra.customers.webmethods.imetastore.impl.IMetaStoreImpl.(IMetaStoreImpl.java:267)
… 49 more
Caused by: org.semanticweb.owl.model.OWLException: Cannot instantiate KAON connection class ‘com.cerebra.lib.owlapi.client.util.impl.OWLConnectionImpl’
at org.semanticweb.owl.util.OWLManager.getOWLConnection(OWLManager.java:153)
at com.cerebra.customers.webmethods.imetastore.impl.IMetaStoreImpl.getOWLConnection(IMetaStoreImpl.java:311)
… 51 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
at org.semanticweb.owl.util.OWLManager.getOWLConnection(OWLManager.java:141)
… 52 more
Caused by: com.cerebra.lib.owlapi.client.extension.OWLWSClientRemoteException: Error communicating with remote service
at com.cerebra.lib.owlapi.client.util.impl.OWLConnectionImpl.mapException(OWLConnectionImpl.java:965)
at com.cerebra.lib.owlapi.client.util.impl.OWLConnectionImpl.(OWLConnectionImpl.java:114)
… 57 more
Caused by: (404)/cerebra-owlapi-svc/owlapi
at org.apache.axis.transport.http.HTTPSender.readFromSocket(HTTPSender.java:744)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:144)
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)
at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
at org.apache.axis.client.Call.invoke(Call.java:2767)
at org.apache.axis.client.Call.invoke(Call.java:2443)
at org.apache.axis.client.Call.invoke(Call.java:2366)
at org.apache.axis.client.Call.invoke(Call.java:1812)
at com.cerebra.service.owlapi.generated.OwlapiSoapBindingStub.OWLManagerGetOwlConnection(OwlapiSoapBindingStub.java:7763)
at com.cerebra.lib.owlapi.client.util.impl.OWLConnectionImpl.(OWLConnectionImpl.java:110)
… 57 more

Warm Regards,
SM